feat(dojo-core): add fixed array support in models

[bengineer42]

trafficstars

Description

Related issue

Fixes #2785

Tests

• [ ] Yes
• [ ] No, because they aren't needed
• [ ] No, because I need help

Added to documentation?

• [ ] README.md
• [ ] Dojo Book
• [ ] No documentation needed

Checklist

• [ ] I've formatted my code (scripts/prettier.sh, scripts/rust_fmt.sh, scripts/cairo_fmt.sh)
• [ ] I've linted my code (scripts/clippy.sh, scripts/docs.sh)
• [ ] I've commented my code
• [ ] I've requested a review after addressing the comments

Summary by CodeRabbit

Release Notes

• New Features

  • Added support for fixed-size arrays in data models and type introspection.
  • Enhanced type system to handle fixed-size array layouts and representations.

• Technical Improvements

  • Expanded introspection capabilities for complex data structures.
  • Improved code generation for fixed-size array handling.
  • Added new utility functions for processing fixed-size arrays.

• Testing

  • Introduced new test cases for fixed-size array models and introspection.
  • Validated fixed-size array functionality across multiple components.